Files
Namhyung Kim 3cef7d8b12 tools headers: Sync uapi/asm-generic/mman.h with the kernel sources
To pick up the changes in this cset:

  3630e82ab6 ("mman: Add map_shadow_stack() flags")

This addresses these perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/include/uapi/asm-generic/mman.h include/uapi/asm-generic/mman.h

Please see tools/include/uapi/README for further details.

Reviewed-by: James Clark <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Mark Brown <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
2024-12-04 14:34:50 -08:00

27 lines
947 B
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_GENERIC_MMAN_H
#define __ASM_GENERIC_MMAN_H
#include <asm-generic/mman-common-tools.h>
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_LOCKED 0x2000 /* pages are locked */
#define MAP_NORESERVE 0x4000 /* don't check for reservations */
/*
* Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
* for MAP_HUGETLB usage
*/
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
#define SHADOW_STACK_SET_TOKEN (1ULL << 0) /* Set up a restore token in the shadow stack */
#define SHADOW_STACK_SET_MARKER (1ULL << 1) /* Set up a top of stack marker in the shadow stack */
#endif /* __ASM_GENERIC_MMAN_H */